2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 374Get this manual
LOWER UNIT
WATER PUMP (Impellercase) Place the dowel pins 1, under panel gasket and under panel into position Insert the key in the driveshaft and slide the impeller onto driveshaft, ensuring that key and keyway are aligned
Place the seal ring into groove of the pump case 6, then install inner sleeve to pump case# Do not re-use seal ring once removedAlways use new ring